Winding-reel for dynamo-electric-machine coils.



M. J. CLARK. WINDING REEL FOR DYNAMO ELECTRIC MACHINE GOILS. APPLICATIONFILED MAR. 27, 1912.

1,088, 1 26, Patented Feb. 24, 1914.

BE 3 SHEETS-SHEET 1.

| l 1 1 l l l l l l 1 Vim? NN )U n M. J. CLARK.

WINDING REEL FOR DYNAMO ELECTRIC MACHINE 'GOILS.

APPLICATION FILED MAR/27, I912.

Patented Feb. 24, 1914 3 SHEETS-SHEET 2.

M. J. CLARK. I WINDING REEL FOR DYNAMO ELEGTRIC MAOHINE GOILS.

' APPLICATION FILED MAR.Z7, 191 2. 2 1,088,126. Patented Feb. 24, 1914.

3 SHEETS-SHEET 3.

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MAURICE J. CLARK, OF CHICAGO, ILLINOIS, ASSIGNOR T0 NORTHWESTERNELECTRIC COMPANY, OF CHICAGO, ILLINOIS.

WINDING-REEL FOR DYNAMO-ELECTRIC-MACI-IINE" COILS.

Application filed March 27, .1912.

To all whom it maycmzccrn:

Be it known that I, MAURICE J. CL RK, a citizen of the United States ofAmerica, and a resident of Chicago, county of Cook, Illinois, haveinvented certain new and useful Improvements in WVinding- Reels forDynamo-Electric-ll6lachine Coils, of which the following is aspecification.

This invention relates to devices for winding coils for dynamo electricmachines which heretofore have been formed on a forming block which isprovided with a groove arranged to conform to the shape of the finishedcoil as it is to be used on the machine. This method of winding coilshas been found to be comparatively expensive, both in the initialinvestment, since a different block is required for each of thedifferent sizes, and also because of the time and labor required to windwire in the slot to form a coil.

The present invention is designed to provide a simple and comparativelyinexpensive device which is capable of having coils formed thereonquickly, and which is capable of adjustment within certain limits forproducing coils of different sizes.

The main objects of this invention are to provide an improved device forwinding coils which are to be used on dynamo electric machines; toprovide a device of this kind wherein a coil may be wound in one planeand after winding have portions thereof dis tortcd out of said plane toa form which will lit the slots; to provide improved means fordistorting the coil; to provide improved means for adjusting the deviceto vary the size of the coil; to provide improved means for gripping thecoil during the forming thereof; to provide improved means for adjusting the size of said holding members to permit of the formation ofcoils of different thicknesses; to provide improved means for insuringthe alinement of said holding members in position for winding the coilto provide improved mechanism for obtaining the relative shifting inpairs of said holding members for distorting said coil; to provideimproved means for tilting certain jaws when being shifted to distortthe coil; to provide improved means for obtaining the tilting of saidaws in relatively opposite directions; and to provide improved means fordismantling a part of the device for removing the coil,

Specification of Letters Patent.

Patented Feb. 24, 1914. Serial No. 686,683.

ing the parts in their respective positions for winding a coil. Fig. 2is a sectional view taken on the line AA of Fig. 1. Fig.

3 is an end elevation, some of the parts in the background beingomitted. Fig. 4 is a side elevation of the device as shown in Fig. 1.Fig. 5 is a sectional elevation taken on the line BB of Fig. 1, showingparts thereof in their shifted positions. Fig. 6 is an enlargedsectional detail of one of the pairs of stationary holding members. Fig.7 is a side elevation of the same as viewed from the plane of the lineCC of Fig. 1. Fig. 8 is an end elevation, partly sectional, of same asviewed from the planeof the line D-D of Fig. 1. 9 is an end elevation ofone of said holding members as viewed from the leftof Fig. 1. Fig. 10 isa perspective view showing separated the jaws which constitute one ofthe pairs of shiftable holding members. Fig. 11 is a perspective view ofa finished coil as wound and formed on the device.

In the construction shown in the drawings the supporting frame 1 hasmounted thereon the transversely disposed holding members 2, 3, 4 and 5respectively arranged in pairs at opposite sides of said frame, saidpairs being substantially at right angles to each other. The holdingmembers 4 and 5 are arranged to be shifted along said supporting framein respectively opposite directions into and out of alined position withthe holding members 2 and 3. Said holding members are also adapted to betilted into and, out of vertical position respectively with the shiftingthereof into and out of said alined position. The supporting frame 1 isprovided. with an internally threaded head 6 by which the device isadapted to be secured to a rotary member, preferably in a horizontallydisposed position, so that it may be rotated for the purpose of windingthe coil onto the holding members 2, 3, 4 and 5.

The holding members 2 and 3 each comprises a pair of flanged members orjaws 7 and 8 mounted in opposed relation on the crosspiece 9, carried atthe end of the bar against turning on the crosspiece 9.

10. The jaw 7 is locked in position on the crosspiece 9 by means of ahead 11, which is eccentrically carried on a stud 12 having a threadedengagement with a tapped hole eccentrically located in the end of thecrosspiece 9. The head 11 may be turned to the position indicated inFigs. (5 and 9, whereupon the jaw 7 is locked in a fixed position uponthe crosspiece 9, or it may be turned to a position of registeringalinement with respect to the crosspiece 9, whereupon the. jaw 7 may beremoved from the cross-. piece. The jaw 7 and crosspiece 9 arerespectively provided with co -acting keyway 13 and key 14 whereby thejaw is secured The jaw 7 and head 11 are respectively provided withco-acting shoulders 15 and 16, (Fig. 9) which serve to limit therotation of the head so as to stop cross-arm 17 in position to registerwith the keyway 13 so as to permit the removal of said jaw. The jaw 8 isadjustable on the crosspiece 9 toward and away from the aw 7 by means ofa threadedrod or bolt 18, partially housed in the crosspiece 9 andhaving a bearing in the disk 19 secured to the end of said crosspiece,as indicated in Fig. 6. There are no threads on the crosspiece 9, butthe jaw 8 is threadedto co-act with the threaded rod 18 so that theturning of the rod in its bearing 19, by means of the cross-arms 20,will cause the jaw to slide along the crosspieee 9, as determined by thedirection of rotation of the bolt-18. The-bars 10 each have telescopingengagement with one of the arms or tubular members 21, rigidly securedat opposite sides of the frame 1, and the rods are secured in theirdesired positions by means of pins 22 inserted into registeringapertures in the bars 10 and arms 21.

The holding members 4 and 5 each comprises a pair of jaws 23 and 24formed as shown in Fig. 10 and pivotally mounted on slides 25 and 26arranged on opposite sides of the frame '1. Ears 27 formed on theunderside of the flange 28 of the jaws 23 are secured to lugs 29 on theslides 25 and 26 by means of pins 30. The jaws 24 are provided at theirends with flanges 31 which are adapted to be clamped to the flanges 32on the jaws 23, by means of bolts and nuts 33. The flanges 31 areprovided with apertures which carry the respective bolts, and theflanges 32 are provided with slots 34, in which the bolts are slidablefor adjusting the jaws 23 and 24 toward and away from each other.

Shoes or cams 35 are fixed on opposite sides of the frame 1 at bothsides of the slides 25, and are tapered or beveled on the ends whichface the direction of movement of theslides 25 and 26. These shoes 35are designed to co-act with the under surface of the'flanges 28 of thejaws 23 so as to force the holding members 4 and 5 into a verticalposition when shifted into alinement with the holding members 2 and 3,and to permit the holding members 4 and 5 to be tilted from a verticalposition when said holding members are shifted out of alinement with theholding members 2 and 3, as shown in Fig. 5.

The pivotal connection of the holding members 4 and 5 on the slides 25and 2t), and the arrangement and construction of the shoes 35, permitthe holding members 4 and 5 to become tilted when shifted, due to thetension of the coil thereon, out of a vertical position in the samerelative direction, that is, inwardly toward the vertical plane which,the holding members occupy when in said alined position. It is, however,necessary to have one of the members tilted from the vertical in theopposite direction in order that the finished coil may properly fit thearmature. For this purpose one of the holding members, as, for instance,holding member 4, is provided with :1. depending lug or shoulder 36,which is adapted to be engaged by a cam or bar 37, as shown in. Fig. 5,when the holding members are shifted out of their alined position. Thecam or bar 37 is mounted on the side of the supporting frame 1, and isprovided with slots 38 for adjusting it along the frame 1 to accommodatethe shifting of the members 4 and as determined by the size of the coilto be made. If desired, there may be two of the lugs 36 and bars 37arranged on opposite sides of the frame 1.

The mechanism by which the slides 25 and 26 are shifted along the member1 comprises racks 39 and 40 respectively secured to said slides, and agear 41. The gear 41 is journaled at the ends of the arms 42, secured toand extending outwardly from the sides of the frame 1, and the shaft 43has one end thereof squared as at 44, to receive a crank for operatingthe gear. A brace 45 is secured to the arms 42 and extends around theracks 39 and 40 so as to engage the outer faces thereof and insureproper meshing of the racks with the gear.

In order to secure the coil in the holding members 4 and 5 when themembers are being shifted for distorting the coil, the jaws 23 and 24are provided with shoulders 40 to which adjustable clamping members 47are adapted to be secured. The clamping members each comprises a pair ofarms, 48 and 49, pivotally connected together at 50, and having theirends bent transversely inward. The arm 48 carries a threaded bolt 51which is'designed to force down upon the coil :1. block 52, placedvbetween the jaws 23 and 24.

The jaws 7 and 8 of the holding members 2 and 3 are cut away or facedoff on respectively opposite sides, as at 53, so that when the holdingmembers 4- and 5 are shifted out of alined position the coil will bendover the rounded shoulders formed by the cut away portion of the jaws.

The operation of the device shown is as foll0ws:The device is placedupon a suitable rotary member, preferably one that is horizontallydisposed, by screwing the head 6 onto the threaded end of said rotarymemher. The holding members 4 and 5 are shifted into an alined positionwith the holding members 2 and 3 by turning the gear 41. As the holdingmembers 4 and 5 are shifted to said alined position, the shoes 35 co-actwith the under face of the flanges 28 of the jaws 23, and cause theholding members 4 and 5 to be tilted into a vertical position. lVhen theholding members are brought into alined position, the faces of the jaws7 and 23 are all located in substantially the same plane. The jaws 8 and24 of the respective holding members are then adjusted toward or awayfrom the jaws 7 and 23, as determined by the thickness of the coil to beformed. After adjusting the distance between the jaws of all the holdingmembers, the holding members 2 and 3 are shifted toward or away from theframe 1, as deter mined by the length of the coil to be formed. One endof the wire, from which the coil is to be formed, is temporarilyattached to one of the holding members 2 or 3, and the device set inrotation. The wire is held by the operator so as to be successivelywound into the holding members until a coil having the desired number ofconvolutions has been formed. The rotation of the device is then stoppedand the wire cut and the end suitably attached to the same holdingmember to which the other end of the wire is con nected preparatory todistorting the coil. The coil is then secured in the holding members 4!-and by placing the bar 52 upon the coil and setting: the clamp 47 sothat the ends of the arms 48 and 49 engage the shoulders 46 on the aws23 and 24. The threaded bolt is then turned down so as to urge the bar52 firmly into contact with the coil. When the coil is ready to bedistorted, the pins 22 are removed from the registering apertures in thebars 10 and arms 21, and a suitable crank is connected to the squaredhead 44 of the gear shaft 43 and the gear 41 is rotated in the directionindicated by the arrow 53 (Fig. 5). The rotation of the gear 41 causesthe rack 39 to shift the slide 25 and its holding member 4 toward thehead 6, and causes the rack 40 to shift the slide 26 and its holdingmember 5 in the opposite direction, away from the head 6. As the holdingmembers 4 and 5 recede from mgagement with the shoes 35, the tension ofthe coil tends to tilt the holding members out of vertical positioninwardly toward the plane which they occupy when in said alined positionwith the holding members 2 and 3. However, by the engagement of theshoulders 36 with the cams or bars 37, the holding member 4 is tilted inthe opposite direction, or outwardly from said vertical frame, as theslide 25 approaches the limit of the travel to which it is intended tobe shifted. During the shifting of the holding members 4 and 5 thelength of the coil is shortened through the inward travel of the bars 10into the arms 21. After the holding members 4 and 5 have been shifted totheir respective limits, bands are secured around the convolutions ofthe coil so as to hold the coil intact. The coil being distorted, it isthen ready to be removed from the device. To accomplish this the clamps47 and bars 52 are removed from the holding members 4 and 5 and theheads or parts 11 on the respective holding members 2 and 3 are turnedto their registering positions with the ends of the crosspieces 9,whereupon the jaws 7 may be removed from said crosspieces 9. The coilmay then be readily removed from the device, it being in the shapeindicated in Fig. 11.

Although but one specific embodiment of this invention has been hereinshown and described, it will be understood that numerous details of theconstruction shown may be altered or omitted without departing from thespirit of this invention as defined by the following claims.

I claim 1. in a dev1ce of the class described, the combination of arotatable supporting frame, a pair of holding members mounted onopposite sides of said frame in a plane transverse to the axis thereofand being movable only in said plane, a second pair of holding membersmounted on said supporting frame transversely to the axis thereof and atright angles to said first pair, said other holding members beingslidable along said frame with respect to said first pair of holdingmembers, and means adapted to shift said second pair of holding membersinto and out of alined position with said first pair of holding members,for the purpose specified.

2. In a device of the class described, the coml'iination of a rotatablesupporting frame, a pair of holding members mounted on opposite sides ofsaid frame in a plane transverse to the axis thereof and being movableonly in said pla e, a second pair of holding members mounted on saidsupport ing frame transversely to the axis thereof and at right anglesto said first pair, said other holding members being slidable along saidframe with respect to said first pair of holding members, means forshifting said first pair of holding members in said plane for adjustingthe distance between them, and means adapted to shift said second pairof holding members into and out of alined position with said first pairof holding shift said second pair of holding members in respectivelyopposite directions into and out of alined position with said first pairof holding members, for the purpose specified.

4t. In a device of the class described, the combination of a rotatablesupporting frame, plates slidably mounted on oppoite sides of saidframe, holding members carried by each of said plates and disposedtransversely to the axis of said frame, other holding members supportedon said frame, and means adapted to shift said plates in respectivelyopposite directions to bring said first holding members into and out ofalined position with said other holding members, for the purposespecified.

5. In a device of the class described, the combination of a rotatablesupporting frame, plates slidably mounted on opposite sides of saidframe, holding members carried by each of said plates and disposedtransversely to the axis of said frame, other holding members supportedon said frame, a rack secured to each of said plates, and gear mechanismadapted to engage said racks for shifting said plates to bring saidfirst holding members into and out of alined position with said otherholding members, for the purpose specified.

6. In a device of the class described, the combination of a rotatablesupporting frame, plates slidably mounted on opposite sides of saidframe, holding members carried by each of said plates and disposedtransversely to the axis of said frame, other holding members supportedon said frame, arack secured to each of said plat-es, a gear .mountedbetween said racks and adapted to be operated for shifting said platesin respectively opposite directions for bringing the holding memberscarried thereby into and out of alined position with said other holdingmembers, for the purpose specified.

7. In a device of the class described, the combination of a supportingframe, holding members mounted in pairs on respectively opposite sidesof said supporting frame,

7 means for shifting one pair of said holding members into and out ofalined position with the other said holding members, and means adaptedto tilt said shiftable holding members respectively into and out of avertical position when shifted into and out of alinement with said otherholding members, for the purpose specified.

8. In a device of the class described, the combination of a rotatablesupporting frame, a pair of plates slidably mounted on opposite sides ofsaid frame, holding members pivotally mounted on each of said platestransversely to the axis of said frame, other holding members secured tosaid frame at right angles to said. first holding members, means adaptedto shift said plates so as to bring said first holding members into andout of alined position with said other holding members, and meansadapted to tilt said shiftable holding members respectively into and outof a vertical position when shifted into and out of alined position withthe said other holding members, for the purpose specified.

9. In a device of the class described, the combination of a rotatablesupporting frame, a pair of plates slidably mounted on opposite sides ofsaid frame, holding members pivotally mounted on each of said platestransversely to the axis of said frame, other holding members secured tosaid frame at right angles to said first holding members, means adaptedto shift said plates so as to bring said first holding members into andout of alined position with said other holding members, and meansadapted to tilt said holding members in respectively opposite directionsinto and out of a vertical position when said members are shifted intoand out of said alined position, for the purpose specified.

10. In a device of the class described, the combination of a rotatablesupporting frame, a pair of plates slidably mounted on opposite sides ofsaid frame, holding members pivotally mounted on each of said platestransversely to the axis of said frame, other holding members secured tosaid frame at right angles to said first holding members, means adaptedto shift said plates so as to bring said first holding members into andout of alined position with said other holding members, and shoescarried by said supporting frame and adapted to engage said holdingmembers for shifting them into a vertical position when shifted intoalinement with said other holding members and adapted to permit saidholding members to be tilted out of vertical position when said holdingmembers are shifted out of said alined position, for the purposespecified.

11. In a device of the class described, the combination of a rotatablesupporting frame, a pair of plates slidably mounted on opposite sides ofsaid frame, holding members pivotally mounted on each of said platestransversely to the axis of said frame, other holding members secured tosaid frame at right angles to said first holding members, means adaptedto shift said plates so as to bring said first holding members into andout of alined position with said other holding members, shoes carried bysaid supportframe and adapted to engage said holding members forshifting them into a verti cal position when shifted into alinement withsaid other holding members, and adapted to permit said holding membersto be tilted out of vertical position when said holding members areshifted out of said alined position, and co-acting shoulders carried byone of said holding members on said frame and adapted to tilt said oneholding member out of a vertical position in a direction opposite thetilting of the other said member, for the purpose specified.

in a device of the class described, the combination of a rotatablesupporting frame, a pair of plates slidably mounted on opposite sides ofsaid frame, holding members pivotally mounted on each of said platestransversely to the axis of said frame, other holding members secured tosaid frame at right angles to said first holding members, means adaptedto shiftsaid plates so as to bring said first holding members into andout of alined position with said other holding members, shoes carried bysaid supporting frame and adapted to engage said holding members forshifting them into a vertical position when shifted into alinement withsaid other holding members and adapted to permit said holding members tobe tilted out of vertical position when said holding members are shiftedout of said alined position, and co-acting shoulders carried by one ofsaid holding members on said frame and adapted to tilt said one holdingmember out of a vertical position in a direction opposite the tilting ofthe other said member, said co-acting shoulders being relativelyshiftable longitudinally of said supporting frame, for the purposespecified.

13. in a device of the class described, the combination of a rotatablysupporting frame, a pair of plates slidably mounted on opposite sides ofsaid frame, holdingmemhers pivotally mounted on each of said platestransversely to the axis of said frame, other holding members secured tosaid frame at right angles to said first holding members, means adaptedto shift said plates so as to bring said first holding members into andout of alined position with said other holding members, shoes carried bysaid supporting frame and adapted to engage said holding members fortilting them into a vertical position when shifted into alinement withsaid other holding members, a ing on one of said holding members, and abar on said supporting frame adapted to engage said lug for shiftingsaid one holding member out of the vertical position con trary to thenormal tension thereon, said bar being adjustable along said holdingmember.

14. In a device of the class described, the combination of a rotatablesupporting frame, oppositely disposed arms mounted on said supportingframe transversely to the axis thereof, a crosspiece carried by each ofsaid arms, a jaw removably mounted on one end of said crosspiece, meansfor looking said jaw in fixed position thereon, a second jaw slidablymounted on the opposite end of said crosspiece, means for adjusting saidsecond jaw toward and away from said first jaw, said arms comprisingparts having telescoping engagement where by said jaws may be adjustedtoward and away from each other, and a pair of holding members slidablymounted on said supporting frame and adapted to be shifted into and outof alined position with the said jaws, for the purpose specified.

15. In a device of the class described, the combination of a rotatablesupporting frame, a plurality of holding members mounted on saidsupporting frame transversely to the axis thereof, and relativelyshifta'ble in pairs into and out of alined position, means adapted tocause the relative shifting of said holding members into alined positionto permit a coil of wire to be wound thereon, and to cause the relativeshifting of said members out of alined position after said coil has beenwound thereon, and means for securing the coil in said shiftable holdingmembers, during the shifting thereof out of said alined position.

16. In a device of the class described, the combination of a rotatablesupporting frame, a plurality of holding members mounted on saidsupporting frame transversely to the axis thereof and relativelyshiftable in pairs into and out of alined position, means adapted tocause the relative shifting of said holding members into alined positionto permit a coil of wire to be wound thereon, and to cause the relativeshifting of said members out of alined position after said coil has beenwound thereon, shoulders on said shiftable holding members, andadjustable clamps adapted to be set to engage said shoulders forsecuring the coil in said shiftable holding members during the shiftingthereof out of said alined position.

17. In a device of the class described, the combination of a rotatablesupporting frame, arms mounted on opposite sides of said supportingframe transversely to the axis thereof, a crosspiece carried by each ofsaid arms, a removable jaw adapted to be mounted on one end of saidcrosspiece so as to have the outer face thereof substantially flush withthe end of said crosspiece, a part eccentrically pivoted on the end of(:rosspiece, means for adjusting said second jaw toward and away fromsaid first jaw, and a pair of holding members shdably mounted on saidsupporting frame and adapted to be shifted into and out of alinedposition with said jaws, for the purpose specified.

Signed at Chicago this 11th day of March 15 MAURICE J. CLARK. Vit-nessesPHILIP B. VVOODWORTII, EnwiN PHELPS.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner oi Patenm.

. Washington, D. G.

